Patrick Kerkstra

Philadelphia Managing Director Camille Cates Barnett will resign today, according to sources familiar with her decision.

Barnett, who is Mayor Nutter's second in command, will remain in her post for several months before departing, the sources said.

A nationally known professional city manager, Barnett had worked in cities from Dallas, to Austin to Washington D.C. before she joined the Nutter administration

Barnett orchestrated the city's new 311 call center, was influential in luring Police Commissioner Chuck Ramsey to Philadelphia and has been a champion of increased investment in technology to make the city more efficient.